Question

if volume and surface area of sphere are numerical equal find the radius

Answer 1

4/3πr3=4πr2
4πr2 get canceled
r/3=1
r=3......

Answer 2

We have,

=> Volume of sphere = Surface Area of sphere
=> 4/3 π r³ = 4 π r²
=> r³ = 3 r²
=> r = 3 units

Hope this helps....